we need to protect their environment. we have a strict quarantine system to protect the integrity of the environment. forty years on, it's still a class-a nature reserve. it's our job to look after them. ...it's my job to look after it. ♪ >>> welcome back to the second half of "outfront." we start with stories we care about where we focus on reporting from the front lines. we begin with the u.s. postal service planning to drop saturday mail delivery in august. they say the move will save $2 billion a year. now, they lost 16 billion last year. it comes with a personal cost though. as many as 22,500 jobs could be affected. two key things have led to the post office's demise. one, the 2006 mandate to. if every country abided by that, we wouldn't be in the crisis. the chart shows a deline of about 50 billion letters and packages. for more, go to cnn.com. >>> president obama has nominated sally jewel to succeed ken salazar as secretary of the interior. jewel isn't a career politician. she's the ceo of rei. before that, she w